Home / 1,131,682.60-1,561,721.70-622,417.96

Finding the Fourth Proportional to 1,131,682.60, 1,561,721.70 and 622,417.96

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Solution

The fourth proportional to 1,131,682.60, 1,561,721.70 and 622,417.96 is: 858,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,682.60 : 1,561,721.70 = 622,417.96 : x
  2. Step 2: Convert to fraction form
    1,131,682.60/1,561,721.70 = 622,417.96/x
  3. Step 3: Cross multiply
    1,131,682.60x = 1,561,721.70 × 622,417.96
  4. Step 4: Simplify right side
    1,131,682.60x = 972,043,634,601.73
  5. Step 5: Solve for x
    x = 972,043,634,601.73/1,131,682.60
  6. Step 6: Final answer
    x = 858,936.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.